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author | Pip Cet <pipcet@gmail.com> | 2019-07-06 15:21:04 +0000 |
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committer | Eli Zaretskii <eliz@gnu.org> | 2019-07-06 19:20:53 +0300 |
commit | c16a8fc180ad766fe7dd97af0bab99e3e4552690 (patch) | |
tree | 34692c2b9abded04d811711e8bb8690aac496c11 /src/textprop.c | |
parent | 27e727fb6ceca83a79a37b76741179c1406cc768 (diff) | |
download | emacs-c16a8fc180ad766fe7dd97af0bab99e3e4552690.tar.gz emacs-c16a8fc180ad766fe7dd97af0bab99e3e4552690.tar.bz2 emacs-c16a8fc180ad766fe7dd97af0bab99e3e4552690.zip |
Update current buffer when changing text properties
* src/textprop.c (add_text_properties_1, set_text_properties)
(set_text_properties_1, Fremove_text_properties): Switch buffer if
necessary. (Bug#36190)
* doc/lispref/text.texi (Examining Properties): Document performance
FIXME.
Diffstat (limited to 'src/textprop.c')
-rw-r--r-- | src/textprop.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/textprop.c b/src/textprop.c index 9023f4efa06..44c333256a6 100644 --- a/src/textprop.c +++ b/src/textprop.c @@ -1142,6 +1142,18 @@ static Lisp_Object add_text_properties_1 (Lisp_Object start, Lisp_Object end, Lisp_Object properties, Lisp_Object object, enum property_set_type set_type) { + /* Ensure we run the modification hooks for the right buffer, + without switching buffers twice (bug 36190). FIXME: Switching + buffers is slow and often unnecessary. */ + if (BUFFERP (object) && XBUFFER (object) != current_buffer) + { + ptrdiff_t count = SPECPDL_INDEX (); + record_unwind_current_buffer (); + set_buffer_internal (XBUFFER (object)); + return unbind_to (count, add_text_properties_1 (start, end, properties, + object, set_type)); + } + INTERVAL i, unchanged; ptrdiff_t s, len; bool modified = false; @@ -1343,6 +1355,19 @@ Lisp_Object set_text_properties (Lisp_Object start, Lisp_Object end, Lisp_Object properties, Lisp_Object object, Lisp_Object coherent_change_p) { + /* Ensure we run the modification hooks for the right buffer, + without switching buffers twice (bug 36190). FIXME: Switching + buffers is slow and often unnecessary. */ + if (BUFFERP (object) && XBUFFER (object) != current_buffer) + { + ptrdiff_t count = SPECPDL_INDEX (); + record_unwind_current_buffer (); + set_buffer_internal (XBUFFER (object)); + return unbind_to (count, + set_text_properties (start, end, properties, + object, coherent_change_p)); + } + INTERVAL i; bool first_time = true; @@ -1413,6 +1438,20 @@ void set_text_properties_1 (Lisp_Object start, Lisp_Object end, Lisp_Object properties, Lisp_Object object, INTERVAL i) { + /* Ensure we run the modification hooks for the right buffer, + without switching buffers twice (bug 36190). FIXME: Switching + buffers is slow and often unnecessary. */ + if (BUFFERP (object) && XBUFFER (object) != current_buffer) + { + ptrdiff_t count = SPECPDL_INDEX (); + record_unwind_current_buffer (); + set_buffer_internal (XBUFFER (object)); + + set_text_properties_1 (start, end, properties, object, i); + unbind_to (count, Qnil); + return; + } + INTERVAL prev_changed = NULL; ptrdiff_t s = XFIXNUM (start); ptrdiff_t len = XFIXNUM (end) - s; @@ -1495,6 +1534,19 @@ Return t if any property was actually removed, nil otherwise. Use `set-text-properties' if you want to remove all text properties. */) (Lisp_Object start, Lisp_Object end, Lisp_Object properties, Lisp_Object object) { + /* Ensure we run the modification hooks for the right buffer, + without switching buffers twice (bug 36190). FIXME: Switching + buffers is slow and often unnecessary. */ + if (BUFFERP (object) && XBUFFER (object) != current_buffer) + { + ptrdiff_t count = SPECPDL_INDEX (); + record_unwind_current_buffer (); + set_buffer_internal (XBUFFER (object)); + return unbind_to (count, + Fremove_text_properties (start, end, properties, + object)); + } + INTERVAL i, unchanged; ptrdiff_t s, len; bool modified = false; @@ -1607,6 +1659,20 @@ markers). If OBJECT is a string, START and END are 0-based indices into it. Return t if any property was actually removed, nil otherwise. */) (Lisp_Object start, Lisp_Object end, Lisp_Object list_of_properties, Lisp_Object object) { + /* Ensure we run the modification hooks for the right buffer, + without switching buffers twice (bug 36190). FIXME: Switching + buffers is slow and often unnecessary. */ + if (BUFFERP (object) && XBUFFER (object) != current_buffer) + { + ptrdiff_t count = SPECPDL_INDEX (); + record_unwind_current_buffer (); + set_buffer_internal (XBUFFER (object)); + return unbind_to (count, + Fremove_list_of_text_properties (start, end, + list_of_properties, + object)); + } + INTERVAL i, unchanged; ptrdiff_t s, len; bool modified = false; |